package com.itheima.reggie.contraller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.dto.SetmealDto;
import com.itheima.reggie.pojo.Category;
import com.itheima.reggie.pojo.Setmeal;
import com.itheima.reggie.service.CategoryService;
import com.itheima.reggie.service.SetmealService;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.Arrays;
import java.util.List;
import java.util.stream.Collectors;

@RestController
@RequestMapping("setmeal")
@Slf4j
public class SetmealController {
    //TODO 高亮,注意点或者没写完的东西


    //一定要注入,controller层和实现业务层的impl都要注入下一层的,,很容易忘
    @Autowired
    private SetmealService setmealService;

    @Autowired
    private CategoryService categoryService;

    //新增套餐
    @PostMapping
    public R<String> save(@RequestBody SetmealDto setmealDto) {
        log.info("套餐信息:{}", setmealDto);//可以不写
        setmealService.saveWithDish(setmealDto);
        return R.success("新增套餐成功");
    }


    //套餐分页查询
    @GetMapping("page")
    public R<Page<SetmealDto>> page(Integer page, Integer pageSize, String name) {
        //分页构造器对象
        Page<Setmeal> pageInfo1 = new Page<>(page, pageSize);

        LambdaQueryWrapper<Setmeal> queryWrapper = new LambdaQueryWrapper<>();
        //添加查询条件，根据name进行like模糊查询
        queryWrapper.like(StringUtils.isNotBlank(name), Setmeal::getName, name);
        //添加排序条件，根据更新时间降序排列
        queryWrapper.orderByDesc(Setmeal::getUpdateTime);

        setmealService.page(pageInfo1, queryWrapper);

        Page<SetmealDto> pageInfo2 = new Page<>(page, pageSize);
        //对象拷贝
        BeanUtils.copyProperties(pageInfo1, pageInfo2, "records");

        List<SetmealDto> setmealDtoList = pageInfo1.getRecords().stream().map(setmeal -> {
            SetmealDto setmealDto = new SetmealDto();
            //对象拷贝
            BeanUtils.copyProperties(setmeal, setmealDto);

            //根据分类id查询分类对象
            Category category = categoryService.getById(setmeal.getCategoryId());
           /* LambdaQueryWrapper<Category> setmealLambdaQueryWrapper = new LambdaQueryWrapper<>();
            setmealLambdaQueryWrapper.eq(Category::getId,setmeal.getCategoryId());
            Category category = categoryService.getOne(setmealLambdaQueryWrapper);*/

            //设置分类名称
            setmealDto.setCategoryName(category.getName());
            return setmealDto;
        }).collect(Collectors.toList());

        pageInfo2.setRecords(setmealDtoList);
        return R.success(pageInfo2);
    }

    //删除套餐
    @DeleteMapping
    public R<String> delete(Long[] ids) {
        log.info("套餐ids:{}", ids);
        setmealService.removeWithDish(ids);
        //还可以这样写:setmealService.removeWithDish(Arrays.asList(ids));
        return R.success("套餐数据删除成功");
    }


   //根据条件查询套餐数据(根据条件查询套餐数据)
   @GetMapping("list")
   public R<List<Setmeal>> list(Setmeal setmeal) {
       LambdaQueryWrapper<Setmeal> queryWrapper = new LambdaQueryWrapper<>();
       queryWrapper.eq(setmeal.getStatus() != null, Setmeal::getStatus, setmeal.getStatus());
       queryWrapper.eq(setmeal.getCategoryId() != null, Setmeal::getCategoryId, setmeal.getCategoryId());
       queryWrapper.orderByDesc(Setmeal::getUpdateTime);

       List<Setmeal> list = setmealService.list(queryWrapper);
       return R.success(list);
   }

 }
